CS_IPV6
uint_t flags = CS_LOOPBACK | CS_IPV4 | CS_IPV6;
flags &= ~CS_IPV6;
if (!(flags & CS_IPV6)) {
*flags &= ~CS_IPV6;
if (!(*flags & CS_IPV6)) {
} else if ((state->cws_flags & CS_IPV6) &&